Charungkaittikul, Suwithida, Worarat Pathumcharoenwattana, and Manaswas Kovitya. “A study on the required work competencies of graduates in the non-formal education program”. Kasetsart Journal of Social Sciences 43, no. 4 (October 12, 2022): 825–832. accessed September 14, 2026. https://so04.tci-thaijo.org/index.php/kjss/article/view/261647.